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Modifier JG

Drug modifiers

Modifier JG. 340B-acquired drug (legacy) — no longer valid for 340B reporting for DOS on/after 1/1/2025.

Reference only — CPT descriptors are AMA-copyrighted (paraphrased). Payment percentages and acceptance vary by payer; verify against the current CPT/HCPCS files and payer policy.

Related modifiers

JW
Drug amount discarded/not administered (single-dose vial/package wastage) — bill…
JZ
Zero drug amount discarded — required since 7/1/2023; single-dose drug claims wi…
TB
340B-acquired drug (informational) — all 340B covered entities must report TB be…

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